"Rawhide" Incident of a Burst of Evil Season 1 Ep 22 as Elisha Cook.

Elisha Cook = 58 actual titles, 41 verified, 0 eliminated
--------------
1941 (VERIFIED BY MDNITOIL)
The A-Team: Season 4 = "The Road to Hope" (VERIFIED BY AWILBOHK)
The Adventures of Superman: Season 2 = "Semi-Private Eye" (VERIFIED BY ADDICTED2DVD)
Alf: Season 2 = "We're So Sorry, Uncle Albert" (VERIFIED BY AWILBOHK)
Ball of Fire (VERIFIED BY MDNITOIL)
The Bionic Woman = "Once a Thief" (VERIFIED BY ADDICTED2DVD)
Blackula (VERIFIED BY MDNITOIL)
Electra Glide in Blue (VERIFIED BY GREYGHOST)
The Fugitive: Season 1 = "The Witch" (VERIFIED BY ADDICTED2DVD)
The Great Bank Robbery (VERIFIED BY MDNITOIL)
Hammett (VERIFIED BY SIDRAT)
Harry's War (VERIFIED BY GREYGHOST)
The Haunted Palace (VERIFIED BY DANAE CASSANDRA)
House on Haunted Hill (VERIFIED BY DANAE CASSANDRA)
Johnny Staccato - Episode 7 (VERIFIED BY GREYGHOST)
Johnny Staccato - Episode 22 (VERIFIED BY GREYGHOST)
The Killing (1956) (VERIFIED BY BBBBB)
Magnum, P.I.: Season 2 = "Ghost Writer" (VERIFIED BY T!M)
Magnum, P.I.: Season 4 = "Distant Relative" (VERIFIED BY T!M)
Magnum, P.I.: Season 5 = "The Legacy of Garwood Huddle" (VERIFIED BY T!M)
                                  = "The Love-for-Sale Boat" (VERIFIED BY T!M)
Magnum, P.I.: Season 6 = "The Way of the Stalking Horse" (VERIFIED BY T!M)
                                  = "A Little Bit of Luck, a Little Bit o" (VERIFIED BY T!M)
Magnum, P.I.: Season 7 = "A.A.P.I." (VERIFIED BY T!M)
                                  = "Kapu" (VERIFIED BY T!M)
                                  = "Death of the Flowers" (VERIFIED BY T!M)
                                  = "The People vs. Orville Wright" (VERIFIED BY T!M)
Magnum, P.I.: Season 8 = "Forever in Time" (VERIFIED BY T!M)
                                  = "Resolutions" (VERIFIED BY T!M)
National Lampoon's Movie Madness (VERIFIED BY HUSKERSPORTS)
One-Eyed Jacks (VERIFIED BY DANAE CASSANDRA)
Quincy, M.E.: Season 3: Episode 11 (VERIFIED BY HUSKERSPORTS)
Rawhide: Season 1: Episode 22: "Incident of a Burst of Evil" (VERIFIED BY RUTAN)
Rosemary's Baby (VERIFIED BY MDNITOIL)
S.W.A.T.: Season 1 = "Coven of Killers" (VERIFIED BY ADDICTED2DVD)
Salem's Lot (1979) (VERIFIED BY MDNITOIL)
St. Ives (VERIFIED BY ATEO357)
Star Trek: The Original Series: Season 1 = "Court Martial" (VERIFIED BY DANAE CASSANDRA)
Starsky & Hutch: Season 1 = "Lady Blue" (VERIFIED BY ADDICTED2DVD)
Thriller: Episode 11 (VERIFIED BY GREYGHOST)
Tom Horn (VERIFIED BY GREYGHOST & MDNITOIL)

Carny
The Champ (1979)
Day of the Outlaw
Dead of Night
Emperor of the North
The Great Northfield Minnesota Raid
I Spy: Season 2 = "Rome...Take Away Three"
The Indian Fighter
The Lonely Man
The Man from U.N.C.L.E.: Season 3 = "The Stiletto Brothers"
McCloud: Season One & Two = "Encounter With Aries"
Night Court: Season 2 = "Married Alive"
The Outfit
Papa's Delicate Condition
Perry Mason: Season 2 = "The Case of the Pint-Sized Client"
Quincy: Season 1+2 = "The Thigh Bone's Connected to the Knee Bone"
The Twilight Zone: Season 1 = "Welcome to Winfield"


Elisha Cook, Jr.  =  46 actual titles, 15 verified, 19 eliminated
-------------------
Alfred Hitchcock Presents: Season 1 = "Salvage" (VERIFIED BY DANAE CASSANDRA)
Behave Yourself (VERIFIED BY SAMUELRICHARDSCOTT)
The Big Sleep (VERIFIED BY DANAE CASSANDRA)
Dillinger (VERIFIED BY DANAE CASSANDRA)
Don't Bother to Knock (VERIFIED BY DANAE CASSANDRA & MDNITOIL)
The Long Night (VERIFIED BY DANAE CASSANDRA)
Love Crazy (VERIFIED BY MDNITOIL)
Love is News (VERIFIED BY MDNITOIL)
The Maltese Falcon (VERIFIED BY DANAE CASSANDRA)
Messiah of Evil (VERIFIED BY ADDICTED2DVD)
The Night Stalker (VERIFIED BY ADDICTED2DVD)
Pat Garrett & Billy the Kid (1988 Turner Preview Edition) (VERIFIED BY DANAE CASSANDRA)
Shane (VERIFIED BY DANAE CASSANDRA)
They Won't Forget (VERIFIED BY HUSKERSPORTS)
Voodoo Island (VERIFIED BY MDNITOIL)

Blackula (WRONG)
House on Haunted Hill (WRONG)
Magnum, P.I.: Season 2 = "Ghost Writer" (WRONG)
Magnum, P.I.: Season 4 = "Distant Relative" (WRONG)
Magnum, P.I.: Season 5 = "The Legacy of Garwood Huddle" (WRONG)
                                  = "The Love-for-Sale Boat" (WRONG)
Magnum, P.I.: Season 6 = "The Way of the Stalking Horse" (WRONG)
                                  = "A Little Bit of Luck, a Little Bit o" (WRONG)
Magnum, P.I.: Season 7 = "A.A.P.I." (WRONG)
                                  = "Kapu" (WRONG)
                                = "Death of the Flowers" (WRONG)
                                  = "The People vs. Orville Wright" (WRONG)
Magnum, P.I.: Season 8 = "Forever in Time" (WRONG)
                                  = "Resolutions" (WRONG)
One Eyed Jacks (WRONG)
Rosemary's Baby (WRONG)
Salem's Lot (1979) (WRONG)
S.W.A.T.: Season 1 = "Coven of Killers" (WRONG)
Tom Horn (WRONG)

A-haunting We Will Go
Born to Kill
Dark Waters
The Gangster
The Great Northfield Minnesota Raid
Hellzapoppin'
I Wake Up Screaming
The Indian Fighter
Phantom Lady
Pigskin Parade
Stranger on the Third Floor
Thunder Over the Plains


Elisha Cook Jr.  =  34 actual titles, 0 verified, 19 eliminated
------------------------
The A Team: Season 4 = "The Road to Hope" (WRONG)
Alfred Hitchcock: Season 1 = "Salvage" (WRONG)
Behave Yourself
The Big Sleep (WRONG)
Don't Bother to Knock (WRONG)
Electra Glide in Blue (WRONG)
The Haunted Palace (WRONG)
House on Haunted Hill (WRONG)
The Killing (1956) (WRONG)
The Long Night (WRONG)
The Maltese Falcon (WRONG)
Messiah of Evil (WRONG)
One Eyed Jacks (WRONG)
Rosemary's Baby (WRONG)
Salem's Lot (WRONG)
Shane (WRONG)
St. Ives (WRONG)
Star Trek: The Original Series: Season 1 = "Court Martial" (WRONG)
Tom Horn (WRONG)

A-Haunting We Will Go
The Bionic Woman: Season 2 = "Once a Thief"
Born to Kill
The Champ (1979)
Chicago Confidential
Dark Mountain
Hammett
I Spy #9: Sophia
I Wake Up Screaming
The Lonely Man
McCloud: Season 2 = "Encounter with Aries"
Phantom Lady
Quincy: Season 1+2 = "The Thigh Bone's Connected to the Knee Bone"
Scarecrow
Stranger on the Third Floor

Behave Yourself:
Elisha Cook, Jr.

http://www.youtube.com/watch?v=zCcbb0dyLxo (0:32)

From credits on youtube...

The Indian Fighter - Elisha Cook
http://www.youtube.com/watch?v=alH1aMdL5rk (0:28)

Hellzapoppin - Elisa Cook, Jr.
http://www.youtube.com/watch?v=n4sFNsScEqc (1:17)

Thanks Scott & Sam!

The Man from U.N.C.L.E.: Season 3 = "The Stiletto Brothers" (actually "The Concrete Overcoat Affair, Part I", "The Stiletto Brothers" is a group divider enter as a episode divider) - Elisha Cook as Arnold

The Great Northfield Minnesota Raid - Elisha Cook

I think we can call this for Elisha Cook over Elisha Cook, Jr.  There's no way that Jr. can catch up, even if all titles are the Jr. variant.